[Milsurplus] TCM-2 vs TCK keying

[Kenneth G. Gordon]

On 5 Jul 2017 at 5:04, Richard wrote:

> That's what I thought too.  40 WPM is impressive, It must be using 
> grid-block keying rather than primary keying with that big clunky relay 
> in the TBW.  Also no 800 cycle power to use for MCW, so they make the 
> modulator tube oscillate.
> 
> Richard, AA1P

According to the manual, the TCK-4 will key properly at 300 WPM.

However, I have wondered if that was a typo, since as far as I have been able to determine at 
this point, all keying is cathode keying by a relay.

I know darned few (like none) relays which will correctly key anything at 300 WPM.

30 WPM is more likely.

Ken W7EKB

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